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Start learning 50% faster. Sign in now12/100 × 72 × 25 -× x/20 × 16/24 × 36 + 1/5 × x = 4/12 × 36 ÷ 1/4 216 - (6 x)/5 + x/5 = 12 × 4 216 – 48 = (6 x)/5 - x/5 168 = (5 x)/5 ∴x = 168
The average weight of 6 employees in an office increases by 3 kg when the boss is included. The sum of the average weight of the 6 employees and the bos...
The average age of A and B is 22 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 23 years. Find the age...
The average age of a group of persons going for tour to Shimla is 22 years. 30 new persons with an average age of 8 years join the group and their avera...
A number is such that when it is multiplied by 4, it gives another number which is as much above from 180 as the original number (itself) is below 180. ...
There are 15 numbers such that average of first 12 numbers is 30 while the average of last five numbers is 48. Find the 12th number, if the ratio betwee...
The average age of three children is 20 years. If their ages are in the ratio 3:5:7. Find the age of the youngest child.
The average age of 20 children and their teacher's age are 18 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The average age of three children is 32 years. If their ages are in the ratio 3:6:7. Find the age of the youngest child.
The average rainfall recorded over the first three days of a week was 85 cm, whereas the average for the last three days was 92 cm. If the weekly averag...
